# coding: utf8
from __future__ import unicode_literals

from ..char_classes import ALPHA, ALPHA_LOWER, ALPHA_UPPER, QUOTES, HYPHENS
from ..char_classes import LIST_ELLIPSES, LIST_ICONS

_hyphens_no_dash = HYPHENS.replace("-", "").strip("|").replace("||", "")
_infixes = (
    LIST_ELLIPSES
    + LIST_ICONS
    + [
        r"(?<=[{}])\.(?=[{}])".format(ALPHA_LOWER, ALPHA_UPPER),
        r"(?<=[{a}])[,!?/\(\)]+(?=[{a}])".format(a=ALPHA),
        r"(?<=[{a}{q}])[:<>=](?=[{a}])".format(a=ALPHA, q=QUOTES),
        r"(?<=[{a}])--(?=[{a}])".format(a=ALPHA),
        r"(?<=[{a}]),(?=[{a}])".format(a=ALPHA),
        r"(?<=[{a}])([{q}\)\]\(\[])(?=[\-{a}])".format(a=ALPHA, q=QUOTES),
        r'(?<=[{a}])[?";:=,.]*(?:{h})(?=[{a}])'.format(a=ALPHA, h=_hyphens_no_dash),
        r"(?<=[0-9])-(?=[0-9])",
    ]
)

TOKENIZER_INFIXES = _infixes